{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "317847",
    "entityType": "User",
    "nonce": "0x463b077d8276fa0f41932909afe14bf9bfd6852b023ac998cacb8740596fb957",
    "signature": "0xc0f4b58639d2742e41d17235710cf8f5dc65b0ade6a5d23273f34f444b9391a871424cde1294a3715d3c4c96a72e4907506660c3e8672e3c1a883b2be5e788e21b",
    "signer": "0x4D8EDeF47b57f98c89BDFf851267B0327BE4cD05",
    "userId": "5307724"
  }
}